1. College of Chemical Engineering
2. Ningbo Polytechnic
3. Ningbo 315800
4. PR China
5. School of Metallurgy and Environment
6. Central South University
7. Changsha 410000
8. College of Electronics and Computer Science
9. Zhejiang Wanli University
10. Ningbo 315100
11. Ningbo Veken New Energy Technology Limit Corporation
12. P. R. China
13. Ningbo Veken Technology Research Institute